BACKPLANE ELECTRONIC CIRCUIT BOARD OF AN ELECTRONIC APPARATUS, IN PARTICULAR FOR AN AIRCRAFT

• US 20120106114A1
• Filed: 10/26/2011
• Published: 05/03/2012
• Est. Priority Date: 10/28/2010
• Status: Active Grant

• Current Assignee: Airbus Operations (European Aeronautic Defence and Space Company EADS NV)
• Original Assignee: Airbus Operations (European Aeronautic Defence and Space Company EADS NV)
• Inventors: Rebeyrotte, Vincent, Caron, Jean-Christophe
• Granted Patent: US 8,482,927 B2
• Time in Patent Office: Days
• US Class Current: 361/788
• CPC Class Codes: H05K 7/1412 hold down mechanisms, e.g. avionic racks
• CPC Class Codes: H05K 7/1439 Back panel mother boards

Abstract

A backplane electronic circuit board of an electronic apparatus (10) comprises an interface connector with an external system and two interface boards (22, 23) connected to one another, a first interface board (22) being connected to the said interface connector and a second interface board (23) being intended for the connection of a set of electronic circuit boards of the said electronic apparatus (10).

The backplane electronic circuit board (20) comprises reinforcement means (30, 40) installed between the said two interface boards (22, 23).

Use in particular in an electronic apparatus on board an aircraft.

Claims

1. Backplane electronic circuit board of an electronic apparatus (10), comprising am interface connector (21) with an external system and two interface boards (22, 23) connected to one another, a first interface board (22) being connected to the said interface connector (21) and a second interface board (23) being intended for the connection of a set of electronic circuit boards of the said electronic apparatus (10), characterized in that the said backplane electronic circuit board (20) comprises reinforcement means (30, 40) installed between the said two interface boards (22, 23), the said reinforcement means (30, 40) comprising stiffeners (31, 33, 41) extending along a longitudinal axis (X) parallel to the plane of the said two interface boards (22, 23) and forming a crosspiece between two faces (22a, 23a) arranged opposite the said two interface boards (22, 23).

2. Backplane electronic circuit board in accordance with claim 1, characterized in that the said reinforcement means comprise first reinforcement means (30) comprising a frame (30a) arranged opposite the periphery of the said interface connector (21).

3. Backplane electronic circuit board in accordance with claim 2, the said interface connector (21) comprising a face (21b) equipped with contacts (21c) intended to connect the said interface connector (21) to the said first interface board (22), the said contacts (21c) being distributed more or less symmetrically in relation to a central longitudinal axis (X) of the said interface connector (21), characterized in that the said first reinforcement means (30) further comprise a reinforcement arm (34) extending between two crossbars (32) of the said frame (30a), opposite the central longitudinal axis (X) of the said interface connector (21).

4. Backplane electronic circuit board in accordance with one of claim 2 or 3, characterized in that the said frame (30a) of the said first reinforcement means (30) is arranged between the said two interface boards (22, 23) and comprises a series of fastening studs (34) installed in contact with one or the other of the said two interface boards (22, 23).

5. Backplane electronic circuit board in accordance with one of claims 1 to 4, characterized in that the said reinforcement means comprise second reinforcement means (40) arranged between two free edges (22b, 23b) opposite the said two interface boards (22, 23).

6. Backplane electronic circuit board in accordance with claim 5, characterized in that the said second reinforcement means (40) comprise, at each transverse edge (20a, 20b) of the said backplane electronic circuit board (20), a bar (41) extending parallel to the said free edges (22b, 23b) of the said two interface boards (22, 23), each bar (41) comprising two uprights (41a, 41b) connected by crosspieces (42).

7. On-board electronic apparatus, in particular an avionic apparatus, comprising a backplane electronic circuit board (20) in accordance with one of claims 1 to 6.

8. On-board electronic apparatus in accordance with claim 7, characterized in that the said backplane electronic circuit board (20) is installed in a stand (11) of the said on-board electronic apparatus (10), the said reinforcement means (30, 40) comprising fastening feet (38, 45) installed on the said stand (11) of the said electronic apparatus (10).

9. Aircraft, comprising one or more on-board electronic apparatuses (10) in accordance with one of claim 7 or 8.